This deck doesnt focus on Toxic, Infect or Poison, but it has enough proliferation from the commander zone that you might consider a card here and there
Purple also takes edicting from black, and then dabbles in enchantment removal and direct damage
For an in-hand riffle (harder), hold the cards so that the non-thumb sides are supported by the middle joints of your ring, middle, and pinky fingers, curling those fingers under the cards to catch them when they riffle
There is very little overlap even though both decks share blue and black
(You can see a video of the treatment above.) This can also be The Prismatic Piper, which is rarity S
With 151 monsters to make cards out of, all with distinct elemental types plus many items that could be employed as support cards, it would have been foolish of Nintendo and Game Freak not to cobble together a Trading Card Game out of it all